This bug was fixed in the package upstart - 1.9.1-0ubuntu3
--------------- upstart (1.9.1-0ubuntu3) saucy; urgency=low
* Fix stateful re-exec with multiple stale chroot sessions (LP: #1199778) -- Dmitrijs Ledkovs <email address hidden> Sat, 20 Jul 2013 00:17:07 +0100
This bug was fixed in the package upstart - 1.9.1-0ubuntu3
---------------
upstart (1.9.1-0ubuntu3) saucy; urgency=low
* Fix stateful re-exec with multiple stale chroot sessions (LP: #1199778)
-- Dmitrijs Ledkovs <email address hidden> Sat, 20 Jul 2013 00:17:07 +0100